✦ LIBER ✦

The corrosion of metals in atmospheres containing sulphur dioxide. Part I

✍ Scribed by Tolley, G.

Publisher: Wiley (John Wiley & Sons)
Year: 1948
Weight: 468 KB
Volume: 67
Category: Article
ISSN: 0368-4075
DOI: 10.1002/jctb.5000671102

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✦ Synopsis

Abstract

Results are presented for the corrosion of mild steel, aluminium sprayed and aluminized steel by air containing from 2%‐6% SO~2~, at temperatures of 300°‐700°. The influence of gas velocity, temperature, and concentration of SO~2~ has been found. Corrosion time curves up to 40 hours' exposure are given for 0.2% and 4% SO~2~‐air mixtures at 600°. Small concentrations of water vapour in the gas decrease corrosion of mild steel, but further additions increase corrosion. The results show that the catalytic formation of sulphur trioxide on the surface of the metals is of great importance in determining the rate of corrosion.

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